The new-born Republic――Pike’s Embarkation on the Mississippi at Fort Louis――Sledge Journey along the Banks of the Mississippi ――A Chippeway Encampment――A Native Pictorial Record――A Member of the North-west Company――On Snow-shoes to Leech and Red Cedar Lakes――A Council of Chippeway Warriors――Back to St. Louis――New Expedition organized――The Osage Captives――Along the Arkansas――Arrival at the Head-waters of the Mississippi ――Search for the Red River of the South――The Rio del Norte mistaken for it――The Explorers taken Prisoners by the Spaniards――Journey across Texas to Natchitoches――Lewis and Clarke embark on the Missouri at St. Louis――The Mouth of the Platte, or Nebraska――Among the Sioux――Difficulty with Indians at the Great Bend――The Mouth of the Yellowstone River ――Encounters with White and Brown Bears――The two Forks of the Missouri――Long Hesitation as to which to follow――Lewis solves the Problem by the Discovery of the Great Falls――Terrible Storm, and Narrow Escape of Clarke――The Gates of the Rocky Mountains――Across the Mountains and Discovery of the Source of the Missouri――Search for Shoshones――Three Indian Women surprised――In the Shoshone Camp――Vain Attempt to reach the Source of the Columbia――On the Summit of the Rocky Mountain Range――Down the Pacific Slope to the lower Course of the Columbia――Construction of Canoes――Down the Columbia to the Great Falls――Successful Navigation of them――In the Great Narrows――The Sea at last――Winter among the Flatheads――Home again. CHAPTER XI. Discovery of Behring Straits――Cook and Meares――Rescue from Starvation――Encounter with Natives――Vancouver on the Western Coast――Gray’s supposed Discovery of the Columbia――Coxe’s Survey of Hudson’s Bay――James in Distress in Hudson’s Bay ――Foundation of the Hudson’s Bay Company――Discovery of Rupert’s River――Disputes with the French――Knight’s Voyage and his terrible Fate――Discovery of Relics of Knight and his Comrades――Moore and Smith in Hudson’s Bay――Cession of Canada to England, and its Results――Heroes of the Transition Time ――Hearne’s Discovery of Athabasca Lake and the Coppermine River――Massacre of Esquimaux――Discovery of the Arctic Ocean ――Result to Geographical Science of that Discovery――Hearne’s Return to Hudson’s Bay――The Indian Exile wrestled for ――Enthusiasm of the Company――The Rise of the North-west Company――Mackenzie’s Journey to the Slave Lake, and Discovery of the Slave, Athabasca, or Mackenzie River――His Voyage to Great Bear Lake――Return to Fort ♦Chipewyan――Journey across Country to the North Pacific――The Work of all Explorers united by his last Trip. ♦ ‘Chippewyan’ replaced with ‘Chipewyan’ CHAPTER XII.